无法从ssh在linux yocto上启动weston

我有错误 “未找到drm设备” 如下所示。 我认为邮件错误是致命的:未能创建compoitor后端。 我的库中有以下内容 桌面外壳。所以drm后端。所以fbdev后端。所以全屏幕外壳。所以gl渲染器。so hmi控制器。所以ivi壳牌公司。所以wayland后端。所以x11后端。所以

root@salvator-x:/etc/systemd/system/multi-user.target.wants# /usr/bin/weston-launch \
  -u root --  --idle-time=0 --config=/etc/xdg/weston/weston-drm-hdmi.ini  $OPTARGS
Date: 2018-02-26 UTC
[21:29:08.949] weston 1.11.0
               http://wayland.freedesktop.org
               Bug reports to: https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=weston&version=1.11.0
               Build: a9df8430-dirty v4l2-renderer: Fix calcluation of clip region (2017-04-13 18:25:00 +0900)
[21:29:08.949] OS: Linux, 4.9.0-yocto-standard, #1 SMP PREEMPT Mon Feb 26 17:46:03 EST 2018, aarch64
[21:29:08.949] Using config file '/etc/xdg/weston/weston-drm-hdmi.ini'
[21:29:08.950] Output repaint window is 34 ms maximum.
[21:29:08.950] Loading module '/usr/lib/weston/drm-backend.so'
[21:29:08.954] initializing drm backend
[21:29:08.954] logind: failed to get session seat
[21:29:08.954] logind: cannot setup systemd-logind helper (-61), using legacy fallback
[21:29:08.955] no drm device found
[21:29:08.955] fatal: failed to create compositor backend
failed to restore keyboard mode: Bad file descriptor
failed to set KD_TEXT mode on tty: Bad file descriptor
could not reset vt handling

如何在linux yocto上启动weston?

图片如下: